Born in London, Odinn began his studies at the Trinity College of Music, where he obtained the Hambourg Award for Improvisation. He continued his studies at the London College of Music, where he studied with Patricia Lynden and Rainer Schuelein, graduating with Honours; whilst there, he also obtained the Licentiate Diploma with the highest marks ever awarded at the time. Additionally, Odinn was awarded the Recital Certificate from the Guildford School of Music with Honours. Odinn went on to further his development under the tutelage of the internationally renowned flautists William Bennett, Trevor Wye and Susan Milan, the last of which he studied privately with for three years. Odinn went on to win several international competitions.

Odinn made his recital debut in Reykjavik, Iceland to critical acclaim. Subsequently, he has performed regularly at notable venues in London, including the Royal Opera House Crush Room, St. Martin-in-the-Fields, St. James' Piccadilly, and the Fairfield Halls. With a wide and varied repertoire, covering both light classical and classical, and ranging from baroque to the Twentieth Century, Odinn has frequently delighted audiences abroad, including Switzerland and France; he has in particular performed on numerous occasions in Paris.

Closer to home, Odinn was invited to perform a series of concerts at the Edinburgh Fringe Festival in 2006; he has also performed with the Brent Symphony Orchestra and the Millennium Sinfonia. Odinn has extensive experience of freelancing with various orchestras in Britain, and for a number of years has been the principal flautist of the orchestra of the prominent 11th Century church of St. Mary's, Harrow on the Hill. Furthermore, Odinn has given concerts for many music clubs, societies and festivals in England.

In 2007 he started the duo Cantilena with the pianist Patricia Romero and they have given many concerts in Britain and have a growing reputation for excellence.